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ANSWERS - Mendel’s Discoveries -OMM pg. 226 Read the “Mendel’s Discoveries” notes and complete the sentences. 1. Gregor Mendel did experiments with pea plants and learned that THE MALE AND FEMALE PEA PLANT EACH CONTRIBUTED SOMETHING DURING FERTILIZATION AND THOSE SOMETHINGS HAD TO BE IN PAIRS…TRAITS WERE DETERMINED BY A PAIR OF GENES – ONE GENE FROM THE MALE AND ONE FROM THE FEMALE. 2. Mendel is called the “Father of Genetics” because HE WAS ONE OF THE FIRST PEOPLE TO GATHER INFORMATION AND DETECT A PATTERN ABOUT THE PASSING ON OF TRAITS FROM ONE GENERATION TO THE NEXT – THE FUNDAMENTAL PRINCIPLES OF HEREDITY! 3. Mendel used pea plant for two reasons: a. THEY HAVE MANY EASILY,OBSERVABLE TRAITS; PLANTS ARE SIMPLE COMPARED TO HUMANS b. THEY REPRODUCE QUICKLY; THEY CAN BE CONTROLLED IN THE FERTILIZATION PROCESS; MULTIPLE OFFSPRING OPPOSED TO USUALLY JUST ONE 4. Mendel thought that tall plants + small plants = MEDIUM plants. He was surprised because the tall plants + small plants made TALL plants. 5. Mendel concluded that IF A DOMINANT TRAIT IS GOING TO BE EXPRESSED(SHOWN), THEN AT LEAST ONE DOMINANT GENE (ALLELE) MUST BE PRESENT . ALSO THAT TRAITS WERE DETERMINED BY A PAIR OF GENES – ONE GENE FROM THE MALE AND ONE FROM THE FEMALE.